Fastening-inserting machine



June 6, 1939. H. LANE ET Al. 2,160,877 v FASTENING-INSERTING MACHINE-Fled Deo. 28, 1937 y 2 Sheets-Sheet l June 6, 1939. H. LANE ET ALFASIENING-INSERTING MACHINE Filed Deo. `2a, 1937 2 sheets-sheet 2Patented June 6,v 1939 UNITED STATES PATENTn OFFICE England, assignorsto Corporation, Paterson, New Jersey United Shoe Machinery N. J., acorporation of Application December 28, 1937, Serial No. 182,111 InGreat Britain February 3, 1937 15 Claims.

This invention relates to fastening-inserting machines and is hereinillustrated as applied to a machine of the type disclosed in LettersPatent of the United States No. 1,815,295, granted on July 21, 1931,upon an application of George Goddu, having means for driving staples tofasten shoe uppers in lasted position. It is to be understood, however,that the invention is not limited to machines of that particular typenor to machines for fastening shoe uppers.

Machines constructed as shown in the abovementioned Letters Patentcomprise in their organization means for forming staples and for drivingthem from aguiding nozzle through shoe upper materials and into aninsole, and a defiector for engaging the legs of each staple to curvediiTerent portions of the legs successively in the driving operationbefore the different respective portions enter the shoe and thus tocause them to follow curved paths such as to anchor them effectively inthe insole without necessarily penetrating entirely through the latter.Since the upper materials are sometimes thicker at one portion of theshoe than at other portions, and since the insole may be thicker in theshank portion than at the forepart, such machines are provided withmeans for relatively adjusting the nozzle and deflector to vary thedegree or radius of curvature of the staple legs to meet these differentconditions, in order that the staple legs will be anchored in the mosteffective manner in the insole, this means comprising an 'eccentriccontrolling the deflector and an adjusting member movable by theoperator to turn the eccentric quickly to different predeterminedpositions corresponding to the desired curvatures of the staple legs indifferent portions of the shoe. This variation in the thickness of theupper materials or of the insole renders it desirable also that thelengths of the staples be varied, so that staple legs of suitable lengthfor the best results in comparatively thick portions of the work willnot emerge from the surface of the work into which they were driven whentheir curvature is made more pronounced for use in thinner portions ofthe work. Any such emergence of the staple legs may interfere withsubsequent operations on the shoe such, for example, as an upper margintrimming operation or the positioning of an outsole on the bottom of theshoe.

An object of the present invention is to provide means for effecting theabove-mentioned variation in the lengths of the staples. In machines ofthe illustrated type, the staple-forming means comprises an outsideformer and an inside former movable relatively to the outside former toform a staple from fastening material, preferably Wire, fed intoposition to be operated upon. The Wire is fed through a guiding nozzleand the extent of its feeding movement, in the 5 construction hereinshown, is limited by engagement of an abutment with the free end of thewire. Cooperating With the wire-guiding nozzle to sever the Wire is asevering member, the severing member and abutment, for purposes of the10 present invention, being carried by a pair of slides that areconnected together for equal movements in opposite directions to adjustthe severing member and abutment relatively to each other and to theinside former to vary the lengths 15 of the portions of fasteningmaterial severed to form the staples. In the illustrated constructionthe slides are controlled by the above-mentioned adjusting member forturning the eccentric which controls the deflector, through a threadedrotatable member connected to one of the slides and to which theeccentric is frictionally clamped, the construction accordingly beingsuch that movement of the adjusting member to turn the eccentric andthereby vary the curvature imparted to the staple legs effects acorresponding variation in the lengths of the legs by movement of theslides to vary the lengths of the portions of fastening material severedto form the staples. Preferably, in order that the legs of each staplewhen formed will be of equal lengths, the connections between theabovemention-ed slides are so constructed as to permit the slides to beadjusted independently of each other relatively to the staple-formingmeans, and as illustrated also there is provided novel means formaintaining the wire-guiding nozzle in cooperating relation to thesevering member in all positions of adjustment of the severing member.

The above and other features of the invention, including novel means forpreventing bending of the staples in a direction away from the work inthe driving operation and various novel details of construction andcombinations of parts, will now be more particularly described withreference to the accompanying drawings and pointed out in the claims.

In the drawings,

Fig. 1 is a view in right-hand side elevation of a portion of the headof the machine in which the invention is embodied;

Fig. 2 is a view partly in plan and partly in section on the line II-IIof Fig. 1; n

Fig. 3 is a section on the line III-Il of Fig. 1; 55

Fig. 4 is a section on the line IV-IV of Fig. 1;

Fig. 5 is a section of certain parts on the line V-V of Fig. 1; and

Fig. 6 is a perspective view of the staple deiiecting member.

In view of the disclosure in the above-mentioned Letters Patent ofdetails of the construction of the machine to which the invention isherein shown as applied, only such parts as it is necessary to refer tofor an understanding of theY invention will be described in detail. Itwill be understood that a machine of this type is provided with agripper (not herein shown) which pulls the upper in different locationsalong the edge of the shoe bottom as the operator presents the shoe inpositions determined by a sole rest Ill and a side gage l2. In timerelation to the pulling of the upper in each location a staple is drivenfrom a guiding nozzle i4 by a driver l5 to fasten the upper to theinsole. As the staple is driven its legs-are' engagedV by a delector i8thelower end of which is positioned opposite to the outlet end of thenozzle` Hl, the deflector acting to curve different portions of the legssuccessively before the different respective portions enter the shoe tocause the legs to follow curvedV paths such as to anchor themeffectively in the insole without necessarily penetrating through theinsole to the interior of the shoe. The driver I6, the deector i8 andother parts associated therewith'are carried by a slide 20 mounted on aguiding-member 22 for forward movement in a downwardly inclined path inpredetermined time relation to each upper pulling operation. The slide20 is moved forwardly to carry the nozzle Iliand other parts associatedtherewith inwardly over the shoebottom to lay the margin of the upperover the insole, whereupon the staple is driven and the slide 20 is thenretracted to its starting position.

As also disclosed in the previously mentioned Letters'Patentthe deectorI8 is mounted on a pivot pin 24 forV` turning movement to vary thedistance between the Vportion thereof that engages the legs of thestaple and the points where the legs 'emerge from the end of the staplenozzle I4 andthus to vary the'degree or radiusY of curvature imparted tothe legs in the driving operation. rIheV position of the deflector isdetermined by an eccentric 25 which, inthe'construction herein shown, isformed on a sleeve 28 (Fig. 3) having a splitbearing portion 38frictionally clamped'by meansV of fa screw 32 to a shaft 34 which iscarried by the slide 28 and is mounted for turning movement to adjustthe eccentric. The eccentric 2S (Fig.Y l) bears on a rearwardly andupwardly extending arm 35 formed on the deiiectorA I8 and thus limitsmovement of the deflector about the axis of theV pin 2li in thedirection to increase the distance between its'lower end and the outletend of the nozzle Vlll and accordingly'toV increase the radius ofcurvatureY of thewstaple legs. It will beV understood that the arm 35 isforced Yagainst the eccentric by reason of the pressure applied to thedeflector in the staple-driving operation and there is sufficientfriction tending to prevent thedeliector from turning about its axis tocause it to maintain any position determinednby the eccentric.

The shaft 34 inthe construction herein shown has a portion 36 threadedinto a bracket 38 which issecuredo the slide 28. For turning the shaft34 and the eccentric 26 to vary the position of the deiiector I8 in suchmanner as to alter the curvature of the staple legs in operating upondifferent portions of the same shoe, there is provided a device ormember lll having a split bearing portion 42 frictionally clamped to theshaft 34 by a screw lill. Formed as a part of the member d@ is a handle46 for use in turning the member and the shaft 34. For determiningdifferent positions of the member 48 it carries a springpressed latch 48arranged to enter a notch 50 bformed in the edge face of an arc-shapedplate 52, this notch serving as a stop to limit movement of theY member4B in one direction, and adjustably secured in aV curved guideway 54 inthe plate 52 is a stop 56 for limiting movement of the member in theopposite direction. The plate 52 is adjustably secured to a bracket 58fastened by screws Gil to the slide 2U by means of a clamp, including awing nut 82, in engagement with a curved surface 5ft on the bracket 58concentric with. the axis of the shaft 34. It will be evident that byadjusting the plate 52 relatively to the bracket 58 the notch 50 andthestop 56 may be displaced about theaxisof'the shaft 34 without affectingtheir relation Ato each other to cause the differently curved staplesused at different portions of the same shoe to have either a smaller orgreater degree of curvature Without altering the relation between theircurvatures. In order that the Vradius of curvature of the staple legsmay be varied as desired in operating, for example, along the shankportion of the shoe from the heel breast line to the ball line, thereare provided in an edge face of the plate 52 a plurality" of notchesV66. AThe latch 48 and the notches and Stare so formed that the latchwillslip 'out of'any one of the notches in response to pressure appliedby the operators hand to the handleV 158 sothat the operator can movethe member 0 instantly from one predetermined position to another. Y

For purposesof this Vinvention the illustrated machine is provided withmeans controlled by the deiiector-adjusting means for varying thelengths of the'pieces of fastening material severed and consequently thelengths of the staples formed. As shown, particularly in Figs. 1, 3 and4, there is formed on the shaft 34 a circular flange 68 which extendsinto a slot lll formed in a member 12 slidingly mounted for movements indirections laterallyV of the machine in a guideway 'I4 formed in theguidev member 22. The slot 'l0 in the member 'l2 is parallel tothe pathof movement' of the slide 28 and the member 'l2 is of such length thatinthe forward and rearward movements of the slide 28 the ange 68 is notmoved out of engagement with the member 12. Formed'on the member 72 is astop face 'I6 (Figs. 2 and 4) against which the end of the staple wire,from which the staples areformed, is fed by feed rolls (not hereinVshown) which are operated by mechanism substantially like that fullydisclosed in U. S. Letters Patent No. 1,796,451, granted on March 17,V1931, upon an application of GeorgeGoddu, one of the feed rolls havinga smooth wire engaging face to permit it to slip on the wire as the endVof the wire engages the stop face 16. Formed in'the forward end of theguiding member'22 Vis a guideway 18 for a slide 8G having secured to itby means of a screw 82 a" plate 84V (Figs. 2V and 4) Vwhich serves as ashearing Ymember for severing from a 'length of staple wire asectionofthe proper length for a staple. Cooperating with the shearing memberis a wire-guiding nozzle 86 Vcarried by a block 88 slidinglymounted in aguideway in the bracket 38 secured to the slide 28. The block 88 is heldin the guideway 90 by a cover plate 92 (Figs. 2 and 3) on which there isformed a lug 94 engaged by one end of a spring 96 seated in a recess inthe block 88, the spring 96 tending to urge the block in the directionto hold its inner face 91 (Figs. 2 and 4), which is substantially in theplane of the outlet end of the guiding nozzle 86, in engagement with theshearing plate 84. The guideway 18 of the slide 80 is closed by a coverplate 98 (Fig. 1) which is secured to the member 22 by bolts |00 and isshaped at its right-hand end to provide an outside former |02 forforming the staples. Cooperating with the outside former is an insideformer |04 fastened as heretofore to the bracket 38 on the slide 20.Supported by the guiding member 22 and extending upwardly at rightangles to the directions of movement of the slides 12 and 80 is a stud|06 (Fig. 2) on which there is pivotally mounted a lever |08 havingoppositely extending arms ||0, ||2 of equal lengths. Formed on the endsof the arms |||l, ||2 are gear teeth ||4, ||6 meshing respectively withrack teeth ||8, |20 formed respectively on the slide 80 and on a pinl|22 adjustable lengthwise of the slide 12 in a central bore |24 formedin the slide, a binding screw |26 extending through a slot |28 in theslide being provided for holding the pin in adjusted position.

When the slide 20 is in its retracted position as illustrated in Fig. 1the wire is fed from the nozzle 86 through guiding slots |29 in theopposite sides of the outside former |02 until its end engages the stopface 16 on the slide 12. In the forward movement of the slide 20 theblock 88 is moved forwardly, the nozzle 86 being positioned in suchclose relation to the shearing plate 84 as to cause the fed-in portionof wire to be severed in response to such movement. Thereafter theportion of Wire severed by the shearing member 84 and the nozzle 86 isengaged by the inside former and forced into the outside former to forma staple. It will be evident that after loosening the binding screw |26the slide 80 may be moved toward or from the path of the inside former|04 to position the shearing edge of the member 84 the same distancefrom that path as the stop face 16 on the slide 12 to insure that thelegs of the staple when formed will be of equal lengths. As the shearingmember 84 is thus adjusted the pin |22 through the lever |08 is movedlengthwise in the bore |24 relatively to the slide 12, after which theshearing member 84 and the slide 80 are locked in adjusted position bytightening the binding screw |26. It will be evident also that as themember is turned from one predetermined position to another to vary theposition of the def-lector |8, the shaft 34 is turned with the member 40and by reason of its threaded engagement with the bracket 38 receivesalso a bodily movement laterally of the machine. Since the circularflange 68 on the shaft 34 engages the slide 12 at the opposite sides ofthe slot 10 the slide 12 is moved with the shaft 34 in the samedirection, thus varying the position of the stop face 16 relatively tothe inside former. As the slide 12 is thus moved the slide 80, throughthe pin |22 and lever |08, receives a movement of equal extent intheopposite direction to position the shearing member 84 the same distancefrom the inside former as the stop face 16. The construction is suchthat the shearing member 84 and the stop face 16 are moved toward eachother in response to counterclockwise movement of the shaft 34 (Fig. 1)and are moved away from each other in response to clockwise movement ofthe shaft 34. As the shearing member 84 and the stop face 16 are thusmoved toward or from each other to vary the length of the fasteningmaterial severed, the spring 56 acts on the block 88 to hold it inengagement with the shearing member so that the wire-guiding nozzle 86is at all times in position to cooperate with the shearing member tosever the wire in the forward movement of the slide 20. Preferably theshearing member is constructed so that it may be adjusted relatively toits slide 80 to present a fresh portion of its shearing edge in positionto sever the wire when ,another portion of the shearing edge has becomeworn.

From the above description it will be evident that the positions of theshearing member 84 and the stop face 16 to vary the lengths of thefastening material severed to form the staples are controlled by themechanism for relatively adjusting the deflector |8 and nozzle I4 to vary the curvature of the staple legs. It will be understood that withtheparts in the position shown in Fig. 1, the latch 48 being in engagementwith the notch 50, the shearing member 84 and the stop face 16 areadjusted to cause the shortest piece of wire to be severed andconsequently the shortest staple to be formed required for the work inhand, and the eccentric 26 is set to cause the legs of the staple toreceive a curvature of comparatively short radius. It will be understoodalso that the position of the notch 50 may be varied by adjustment ofthe plate 52 relatively to the bracket 58 to vary the length of theshortest staple required and the radius of curvature imparted to itslegs and that the radius of curvature imparted to the staple legs may bestill further varied and determined by adjustment of the sleeve 28 aboutthe axis of the shaft 34. Movement of the handle 46 to the right(Fig. 1) to rotate the eccentric in a direction to swing the lower endof the deector away from the staple nozzle I4 will cause the severingmember 84 and the stop face 16 to be moved away from each other anamount determined by the extent of swinging movement imparted to thedeflector. Thus, as the deflector is adjusted to cause a curvature oflonger radius to be imparted to the staple, a correspondingly longerstaple will be formed. In each instance the length of the staple will besuch as to permit its legs to be curved in the proper degree to cause itto penetrate the insole to the required depth to fasten the upper andinsole securely together without the ends of the staple legs emergingfrom that face of the work into which the staple has been driven.

In the illustrated machine the position in which the staple is formed isconsiderably above the position which it occupies at the time when it isdriven and it is transferred downwardly from forming position intoalinement with the driver I6 by mechanism similar to that disclosed inLetters P-atent No. 1,815,295. In order to prevent any possibility ofthe bar of the staple being bent upwardly in` the driving operation byreason of its being unsupported above between the end of the nozzle |4and the delector I8, the inside former |04, a portion of which is shownin Fig. 1, has formed on its lower end a projection |30 (Figs. 1 and 5)arranged to extend into a central recess |32 (Figs. 1 and 6) in thedeflector, the length of the projection |30 being such that the gapbetween the outlet end of the staple nozzle I4 and the deiiector isclosed in all positions ofV adjustment ofthe deector.

Having described our invention What we claim as new and desire to secureby Letters Patent of the United States is:

1. In a machine for driving staples into Work,

the combination with staple-forming means, aV

driver for driving staples thus formed, -a nozzle from which the staplesare driven by the driver, and a defiector for engaging the legs of eachstaple before they enter the Work and for curving them as they aredriven into the Work, of means for effecting a relative adjustment ofsaid nozzle and deiiector to vary the curvature imparted to the staplelegs, and mechanism movable simultaneously with said adjusting means toeffect a corresponding variationin the length of the legs of staplesformed by the staple-forming means.

2. In a machine for driving staples into Work, the combination withmeans for forming staples from fastening material fed into position tobe operated upon, a driver for driving staples thus formed, and adeiiector for engaging the legs of each staple before they enter thework and for curving them as they are driven into the Work, of mechanismfor determining the limit of feeding movement of the fastening materialand for severing from it pieces of dierent lengths for the operation ofsaid staple-forming means, and means for adjusting said deflector tovary the curvatures imparted to the 'staple legs and for simultaneouslyadjusting said mechanism to vary the lengths of the pieces of fasteningmaterial severed to form the staples.

3. In a machine for driving staples into Work, the combination withstaple-forming means, a driver for driving staples thus formed, and adeiiector for engaging the legs of each staple before they enter theWork and for curving them as they are driven into the Work, of mechanismfor severing from fastening material pieces of different lengths for theoperation of said stapleforming means, a device movable to differentpredetermined positions for adjusting said mechanism to vary the lengthsof the pieces severed, and an eccentric rotatable by the movement ofsaid device for varying the position of said deiiector to cause the legsof staples of different Vlengths to be curved in different degrees.

4. In a machine for driving staples into Work, the Vcombination withstaple-forming means, a nozzle through which fastening material is fedinto position to be operated upon by said staple- -forming means, anabutment for engaging the free end of the fastening material to limitthe extent of its feeding movement, a member arranged to sever thefed-in portion of fastening material, a driver for driving the staples,and a def-lector for engaging the legs of each staple before they enterthe Work and for curving them as they are driven into the Work, of meansfor adjusting the delector to vary the curvature imparted to the legs ofdifferent staples, and mechanism controlled by said adjusting means forvarying the relative positions of the abutment and said severing memberto vary the lengths of the portions of fastening material severed toform the different staples.

5. In a machine for driving staples into work, the combination withstaple-forming means, a nozzle through which fastening material is fedinto position to be operated upon by said stapleforming means, anabutment for engaging the free end of the fastening material to limitthey extentof its feeding movement, a device arranged to cooperate withsaid'nozzle to sever the fastening material, a driver for driving thestaples, and a deector for engaging the legs of each staple before theyenter the Work and for curving them as they are driven, of a membermovable to different positions for adjusting the deflector to'vary thecurvatures imparted to the legs of different staples, and a pair ofslides connected to said member and movable `thereby, to vary therelative positions of said abutment and severing device to Vary thelengths of the portions of fastening material severed to form thedifferent staples.

6. A machine for driving staples into Work having, in combination,staple-forming means, a nozzle through which fastening material is fedinto position to be operated upon by said staple-forming means, a memberarranged to sever the fedin portion of fastening material, an abutmentfor engaging the free end of the fastening material to determine thelimit of its feeding movement, a driver for the staples, a deflector forengaging the legs of each staple before they enter the Work and forcurving them as they are driven into the Work, mechanism for moving saidsevering member and abutment toward or from each other to vary thelengths of the portions of fastening material severed to form differentstaples, and a member movable by the operator to adjust said deilectorto determine variably for different staples the curvature of the legsand for also controlling said mechanism.

'7. A machine for driving staples into Work having, in combination,staple-forming means, a

nozzle through Which fastening material is fed into position to beoperated upon by said stapleforming means, an abutment for engaging thefree end of the fastening material to limit the extent of its feedingmovement, a member arranged to cooperate with said nozzle to sever thefed-in portion of fastening material, said abutment and severing memberbeing adjustable 'toward or from each other to vary the length of thesevered portion of fastening material, la driverfor driving the staples,a deflector for engaging the legs of each staple before they enter theWork and for curving them as they are driven into the Work, a rotatableeccentric for varying the position of said deiiector to vary thecurvatures imparted to the legs of different staples, and means forrotating the eccentric and for also relatively adjusting the abutmentand said severing member to vary the lengths of the portions offastening material severed to form the different staples.

8. A machine for driving staples into Work having, in combination,staple-forming means, a nozzle through which fastening material is fedinto position to be operated upon by said forming means, an abutment forengaging the free end of the fastening material to determine the limitof its feeding movement, a member arranged to cooperate with said nozzleto sever the fed-in portion of fastening material, a driver for thestaples, a deflector for engaging the legs of each staple before theyenter the Work and for curving them as they are driven into the Work,and means for moving the severing member and said abutment toward orfrom each other to vary the length of fastening material severed to formthe staple and for simultaneously varying the position of the deflectorto vary the curvature of the staple legs.

9. In a machine for driving staples into Work,

the combination with staple-forming means, a driver for driving staplesthus formed, and a defiector for engaging the legs of each staple beforethey enter the Work and for curving them as they are driven into theWork, of mechanism for severing from fastening material pieces ofdifferent lengths for the .operation of said staple-fora..- ing means,said mechanism comprising a pair of slides connected together for equalmovements in opposite directions, an abutment on one of said slides forengaging the free end of the fa.,- tening material, a device carried bysaid other slide for severing the fastening material, a threadedrotatable member for adjusting said slides to determine the length ofthe piece of fastening material severed to form the staple, and aneccentric rotatable with said said threaded member for adjusting saiddeflector to determine the degree of curvature imparted to the staplelegs.

l0. In a machine for driving staples into Work, the combination withstaple-forming means, a driver for driving staples thus formed, and adeflector for engaging the legs of each staple before they enter theWork and for curving them as they are driven into the work, of mechanismfor severing from fastening material pieces of different lengths for theoperation of said staple-forming means, said mechanism comprising a pairof slides connected together for equal movements in opposite directions,an abutment on one of said slides 4for engaging the free end of thefastening material, a device carried by said other slide for severingthe fastening material, a threaded rotatable member for adjusting saidslides to determine the length of the piece of fastening materialsevered to form the staple, and an eccentric rotatable with saidthreaded member for adjusting said deector to determine the degree ofcurvature imparted to the staple legs, said eccentric being adjustablerelatively to said threaded member to vary the position of thedeflector.

1l. In a machine for driving staples into work, the combination withstaple-forming means, of a member for guiding fastening material fedinto position to be operated upon by said stapleforming means, anabutment for engaging the free end of the fastening material to limitthe extent of its feeding movement, a device arranged to cooperate Withsaid guiding member to sever the fastening material, means for movingthe severing device and said abutment toward or from each other to varythe length of fastening material severed to form a staple, and means formaintaining the guiding member in cooperating relation to said severingdevice in all positions of adjustment of said deviceY v 12. In a machinefor driving staples into work, the combination with staples-formingmeans, of a member for guiding fastening material fed into position tobe operated upon by said stapleforming means, an abutment for engagingthe free end of the fastening material to limit the extent of itsfeeding movement, a device arranged to cooperate with said guidingmember to sever the fastening material, means for moving the severingdevice and said abutment toward or from each other to vary the length offastening material severed to form a staple, and a spring for holdingthe guiding member in a position determined by the position of thesevering device.

13. In a machine for driving staples into Work, the combination withstaple-forming means, a member for guiding fastening material fed intoposition to be operated upon by said stapleforming means, and a devicearranged to cooperate with said guiding member to sever the fedinportion of fastening material, of an abutment for engaging the free endof the fastening material to limit the extent of its feeding movement,and mechanism for moving said abutment toward or from saidstaple-forming means and for imparting to said severing device amovement of equal extent in a direction opposite to the direction ofmovement of said abutment to vary the length of the fastening materialsevered toform the staple, said mechanism comprising a pair of slidesfor moving said abutment and device and connections between said slidesconstructed to permit the slides to be adjusted independently of eachother relatively to said staple-forming means.

14. In a machine for driving staples into Work, a staple nozzle, astaple driver, a deflector having a deflecting face spaced from theoutlet end of said nozzle for engaging the legs of each staple beforethey enter the Work and for curving them as they are driven into thework, an outside former, and an inside former movable relatively to saidoutside former to form the staples, said inside former having aprojection formed thereon extending into the space between the end ofthe nozzle and said deflecting face to support the bar of the stapleagainst bending away from the Work after the bar leaves the nozzle inthe driving operation.

15. In a machine for driving staples into Work, a staple nozzle, adriver for driving staples from said nozzle, an outside former, aninside former y movable relatively to said outside former to form thestaples, said inside former having a projection formed thereon extendingbeyond the outlet end of said nozzle for guiding the bars of the staplesin the driving operation after the bars leave the nozzle, and adei-lector arranged to engage the legs of each staple before they enterthe Work and to curve them as they are driven into the Work, saiddeflector having a recess formed therein to receive said projection.

HAROLD LANE. WILLIAM NEIL BRAY.

